18078956255 has 32 divisors (see below), whose sum is σ = 23341690944. Its totient is φ = 13393575936.

The previous prime is 18078956177. The next prime is 18078956257. The reversal of 18078956255 is 55265987081.

It is not a de Polignac number, because 18078956255 - 2¹⁰ = 18078955231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18078956255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18078956257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2745527 + ... + 2752103.

It is an arithmetic number, because the mean of its divisors is an integer number (729427842).

Almost surely, 2^18078956255 is an apocalyptic number.

18078956255 is a deficient number, since it is larger than the sum of its proper divisors (5262734689).

18078956255 is a wasteful number, since it uses less digits than its factorization.

18078956255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115.

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 18078956255 in words is "eighteen billion, seventy-eight million, nine hundred fifty-six thousand, two hundred fifty-five".